CBSE Class 10 Pair of Linear Equations in Two Variables Notes: Class 10 Chapter 3 Pair of Linear Equations in Two Variables revision notes have been provided to you in this article. These short notes ...

CBSE Mind Map for Class 10 Maths Chapter 3: Mind Map is the pictorial representation of ideas or topics into a hierarchy that makes revision easy and quick. In a subject like Mathematics, mind map ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Sometimes in mathematics we like to use letters to represent numbers. The ‘value’ of these letters can change according to certain rules or conditions we are given – hence we can call them variables.

Let K be a field of characteristic 0 and let n be a natural number. Let Γ be a subgroup of the multiplicative group (K*) n of finite rank r. Given a1,..., an ∈ K* write A(a1,..., an, Γ) for the number ...